644007420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8663}}^1$

素因数の和:8744

約数の個数: 144

約数和(自身を含む): 2270661120

約数和(自身を除く): 1626653700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2478, 2655, 3540, 3717, 4130, 4956, 5310, 6195, 7434, 8260, 8663, 10620, 12390, 14868, 17326, 18585, 24780, 25989, 34652, 37170, 43315, 51978, 60641, 74340, 77967, 86630, 103956, 121282, 129945, 155934, 173260, 181923, 242564, 259890, 303205, 311868, 363846, 389835, 511117, 519780, 545769, 606410, 727692, 779670, 909615, 1022234, 1091538, 1212820, 1533351, 1559340, 1819230, 2044468, 2183076, 2555585, 2728845, 3066702, 3577819, 3638460, 4600053, 5111170, 5457690, 6133404, 7155638, 7666755, 9200106, 10222340, 10733457, 10915380, 14311276, 15333510, 17889095, 18400212, 21466914, 23000265, 30667020, 32200371, 35778190, 42933828, 46000530, 53667285, 64400742, 71556380, 92001060, 107334570, 128801484, 161001855, 214669140, 322003710, 644007420]

約数ペア:

[(1, 644007420), (2, 322003710), (3, 214669140), (4, 161001855), (5, 128801484), (6, 107334570), (7, 92001060), (9, 71556380), (10, 64400742), (12, 53667285), (14, 46000530), (15, 42933828), (18, 35778190), (20, 32200371), (21, 30667020), (28, 23000265), (30, 21466914), (35, 18400212), (36, 17889095), (42, 15333510), (45, 14311276), (59, 10915380), (60, 10733457), (63, 10222340), (70, 9200106), (84, 7666755), (90, 7155638), (105, 6133404), (118, 5457690), (126, 5111170), (140, 4600053), (177, 3638460), (180, 3577819), (210, 3066702), (236, 2728845), (252, 2555585), (295, 2183076), (315, 2044468), (354, 1819230), (413, 1559340), (420, 1533351), (531, 1212820), (590, 1091538), (630, 1022234), (708, 909615), (826, 779670), (885, 727692), (1062, 606410), (1180, 545769), (1239, 519780), (1260, 511117), (1652, 389835), (1770, 363846), (2065, 311868), (2124, 303205), (2478, 259890), (2655, 242564), (3540, 181923), (3717, 173260), (4130, 155934), (4956, 129945), (5310, 121282), (6195, 103956), (7434, 86630), (8260, 77967), (8663, 74340), (10620, 60641), (12390, 51978), (14868, 43315), (17326, 37170), (18585, 34652), (24780, 25989)]